Drainage structure of household air conditioner outdoor unit

Abstract

The utility model relates to the technical field of air conditioner drainage structures, in particular to a drainage structure of a household air conditioner outdoor unit. According to the technical scheme, the drainage device comprises a drainage hose, an extension pipe is inserted into the output end of the drainage hose, the outer wall of the output end of the drainage hose is sleeved with an annular hollow cylinder, and a supporting ring is fixedly connected to the outer edge of the bottom end of the annular hollow cylinder; the expansion piece comprises a bag body connected to the inner wall of the supporting ring, and the foam expansion agent is extruded into the bag body by pressing the annular pressing plate. The annular hollow cylinder and the supporting ring are arranged at the tail end of the drainage hose, the extrusion part is arranged on the annular hollow cylinder, the expansion part is arranged on the inner wall of the supporting ring, a pressing plate is pressed to drive an annular pressing plate to move downwards through a transmission rod, and a foam expansion agent in the annular hollow cylinder is extruded into the bag body; the bag body is fixedly sleeved on the outer wall of the external drainage pipe, so that the extension pipe is prevented from being separated from the external drainage pipe.

Description

Technical Field

[0001] The present application relates to the technical field of air-conditioning drainage structures, and in particular to a drainage structure of an outdoor unit of a household air-conditioning unit. Background Art

[0002] With the development of society, living standards are constantly improving, and air conditioners are popularized in every household, which can bring people a comfortable living environment. During the operation of the air conditioner, the compressor circulates, and the physical properties of the refrigerant change and the heat transfer principle to remove the moisture generated in the air conditioning system. Therefore, the outdoor unit will drain water to the outside during operation. During installation, the drain hose will be inserted into the external drain pipe to prevent the water discharged by the air conditioner from dripping everywhere and avoiding affecting the residents downstairs.

[0003] The existing external unit drainage pipe is usually a hose. When installing, the drainage end of the hose is directly inserted into the external drainage pipe. If there is bad weather, strong wind and heavy rain, the drainage hose is easy to be separated from the external drainage pipe, so that when the air conditioner is working, the discharged water will drip onto the air conditioner external unit of the downstairs resident. The water dripping on the downstairs external unit will splash on the outer wall or the windows of the resident, affecting the life of the downstairs resident. To this end, the present application proposes a drainage structure of the household air conditioner external unit. Summary of the invention

[0004] The purpose of this application is to propose a drainage structure for an outdoor unit of a household air conditioner in response to the technical problems pointed out in the background technology.

[0005] The technical solution of the present application is as follows: a drainage structure for an outdoor unit of a household air conditioner, comprising a drainage hose, an extension tube being inserted into the output end of the drainage hose, an annular hollow cylinder being sleeved on the outer wall of the output end of the drainage hose, a support ring being fixedly connected to the outer edge of the bottom end of the annular hollow cylinder, an extrusion piece being arranged on the annular hollow cylinder, and an expansion piece being arranged on the inner side of the support ring; the annular hollow cylinder is filled with a foam expansion agent, the extrusion piece comprises an annular pressure plate slidably arranged in the annular hollow cylinder, the expansion piece comprises a capsule connected to the inner wall of the support ring, the foam expansion agent is squeezed into the capsule by pressing the annular pressure plate, so that the capsule expands and fits tightly against the outer wall of the external drainage pipe.

[0006] Preferably, a material delivery hole is provided between the bladder body and the annular hollow cylinder so that the annular hollow cylinder is connected to the bladder body, and a diaphragm is provided in the material delivery hole.

[0007] Preferably, the inner ring of the capsule is provided with anti-slip protrusions, and the capsule is annular.

[0008] Preferably, a plurality of transmission rods are slidably connected through the upper end of the annular hollow cylinder, the upper ends of the plurality of transmission rods are commonly connected to a pressing plate, and the bottom ends of the transmission rods are fixedly connected to the annular pressing plate.

[0009] Preferably, the junction between the upper end of the extension pipe and the inner wall of the drainage hose is configured as an arc-shaped portion, so that the water in the drainage hose can be smoothly drained into the extension pipe.

[0010] Preferably, the bladder is made of elastic plastic material, is located outside the external drainage pipe when installed and connected, and is tightly attached to the outer wall of the external drainage pipe after being filled and expanded.

[0011] Preferably, the annular pressing plate and the inner lower part of the annular hollow cylinder form a closed space, and when the annular pressing plate is pressed downward, the diaphragm is smoothly squeezed by air pressure, so that the foam expansion agent is pressed into the capsule.

[0012] Compared with the prior art, this application has the following beneficial technical effects:

[0013] The present application arranges an annular hollow cylinder and a support ring at the end of the drainage hose, arranges an extrusion piece on the annular hollow cylinder, and arranges an expansion piece on the inner wall of the support ring, and presses the pressing plate to drive the annular pressing plate to move downward through the transmission rod, so as to squeeze the foam expansion agent inside the annular hollow cylinder into the capsule, so that the capsule is tightly sleeved on the outer wall of the external drainage pipe, and finally the end of the drainage hose is fixed to the external drainage pipe;

[0014] By connecting an extension pipe to the output end of the drain hose, the extension pipe is completely inserted into the external drain pipe, and with the cooperation of the expansion piece, subsequent external factors can prevent the extension pipe from being separated from the external drain pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the drainage structure of the outdoor unit of a household air conditioner;

[0016] Figure 2 yes Figure 1 A cross-sectional view of

[0017] Figure 3 is a cross-sectional view of the annular hollow cylinder and the support ring in the present application;

[0018] Figure 4 yes Figure 3 Enlarged structural diagram at A in the middle.

[0019] Reference numerals: 1, drainage hose; 2, extension pipe; 3, annular hollow cylinder; 4, support ring; 5, arc-shaped portion;

[0020] 6. extrusion member; 61. annular pressure plate; 62. transmission rod; 63. pressing plate;

[0021] 7. expansion member; 71. bladder; 72. feed hole; 73. diaphragm;

[0022] 8. Foam expansion agent; 9. Anti-slip protrusions. DETAILED DESCRIPTION

[0023] The technical solution of the present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed, but merely represents the selected embodiments of the present application.

[0025] Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of this application.

[0026] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0027] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. Example

[0028] like Figure 1-4As shown, the present application proposes a drainage structure for an outdoor unit of a household air conditioner, comprising a drainage hose 1, an extension tube 2 is plugged into the output end of the drainage hose 1, and an arc portion 5 is provided at the junction between the upper end of the extension tube 2 and the inner wall of the drainage hose 1, so that the water in the drainage hose 1 can be smoothly discharged into the extension tube 2, avoiding water accumulation at the junction between the drainage hose 1 and the extension tube 2. The extension tube 2 is provided as a plastic hard tube, which plays a guiding role when plugged in. An annular hollow cylinder 3 is sleeved on the outer wall of the output end of the drainage hose 1, and a support ring 4 is fixedly connected to the outer edge of the bottom end of the annular hollow cylinder 3, an extrusion member 6 is provided on the annular hollow cylinder 3, and an expansion member 7 is provided on the inner side of the support ring 4; the annular hollow cylinder 3 is filled with a foam expansion agent 8, and the foam expansion agent 8 is a prior art product, and its composition is not limited here. The extrusion member 6 includes an annular pressing plate 61 slidably arranged in the annular hollow cylinder 3, and the expansion member 7 includes a capsule 71 connected to the inner wall of the support ring 4. The foam expansion agent 8 is squeezed into the capsule 71 by pressing the annular pressing plate 61, so that the capsule 71 expands and is closely attached to the outer wall of the external drainage pipe. The inner ring of the capsule 71 is provided with an anti-skid protrusion 9 (the anti-skid protrusion 9 is made of silicone), and the capsule 71 is annular. After the capsule 71 expands, its inner ring is closely attached to the outer wall of the external drainage pipe. By providing the anti-skid protrusion 9, the connection between the expanded capsule 71 and the external drainage pipe is more stable. The capsule 71 is made of elastic plastic material and is located outside the external drainage pipe when installed and connected. It is only closely attached to the outer wall of the external drainage pipe after filling and expansion.

[0029] Specifically, a feeding hole 72 is provided on the side of the capsule 71 close to the annular hollow cylinder 3, so that the annular hollow cylinder 3 is connected to the capsule 71. A diaphragm 73 is provided in the feeding hole 72. The feeding hole 72 can be set to be circular, rectangular or arc-shaped. The diaphragm 73 is a thin film that is easy to be squeezed and broken. The upper end of the annular hollow cylinder 3 is slidably connected with a plurality of transmission rods 62. The upper ends of the plurality of transmission rods 62 are commonly connected with a pressing plate 63. The pressing plate 63 is arc-shaped or annular and is located outside the drainage hose 1. The bottom ends of the plurality of transmission rods 62 are fixedly connected to the annular pressing plate 61. The annular pressing plate 61 and the lower part of the inner part of the annular hollow cylinder 3 form a closed space. When the annular pressing plate 61 is pressed down, the diaphragm 73 is smoothly squeezed and broken under the joint extrusion of the air pressure and the foam expansion agent 8, so that the foam expansion agent 8 is pressed into the capsule 71.

[0030] The working principle of this embodiment is as follows: the application connects the extension tube 2 to the inner wall of the output end of the drainage hose 1, and during installation, the extension tube 2 is inserted into the external drainage pipe (a vertical main drainage pipe is provided on the outer wall of the residential building, and the air conditioning drainage pipe of each household can be inserted into the main drainage pipe). After the extension tube 2 is inserted into the external drainage pipe, the pressing plate 63 is pressed downward to drive the transmission rod 62 to move downward, and finally the annular pressing plate 61 is driven to move downward, so that the foam expansion agent 8 inside the annular hollow cylinder 3 is squeezed into the capsule 71 through the feed hole 72 (the diaphragm 73 will be squeezed first when the annular pressing plate 61 moves downward); when the capsule 71 is filled with the foam expansion agent 8, the capsule 71 will swell, thereby tightly attached to the outer wall of the external drainage pipe, so that the output end of the drainage hose 1 is positioned at the input end of the external drainage pipe, to prevent the output end of the drainage hose 1 from being separated from the external drainage pipe due to the influence of the external environment, so that the drainage hose 1 can be stably connected and the drainage is completed smoothly.

[0031] The above-mentioned specific embodiments are merely preferred embodiments of the present application. Based on the technical solutions of the present application and the relevant inspirations of the above-mentioned embodiments, those skilled in the art may make various alternative improvements and combinations to the above-mentioned specific embodiments. The above-mentioned specific embodiments are merely explanations of the present application, and they are not limitations of the present application.

Claims

1. A drainage structure for an outdoor unit of a household air conditioner, comprising a drainage hose (1), characterized in that: The output end of the drainage hose (1) is plugged with an extension tube (2), the outer wall of the output end of the drainage hose (1) is sleeved with an annular hollow cylinder (3), the outer edge of the bottom end of the annular hollow cylinder (3) is fixedly connected with a support ring (4), the annular hollow cylinder (3) is provided with an extrusion piece (6), and the inner side of the support ring (4) is provided with an expansion piece (7); The annular hollow cylinder (3) is filled with a foam expansion agent (8); the extrusion member (6) comprises an annular pressure plate (61) slidably arranged in the annular hollow cylinder (3); the expansion member (7) comprises a capsule (71) connected to the inner wall of the support ring (4); the foam expansion agent (8) is squeezed into the capsule (71) by pressing the annular pressure plate (61), so that the capsule (71) expands and adheres closely to the outer wall of the external drainage pipe.

2. A drainage structure for an outdoor unit of a household air conditioner according to claim 1, characterized in that: A material delivery hole (72) is provided between the capsule (71) and the annular hollow cylinder (3), so that the annular hollow cylinder (3) and the capsule (71) are in communication, and a diaphragm (73) is provided in the material delivery hole (72).

3. A drainage structure for an outdoor unit of a household air conditioner according to claim 2, characterized in that: The inner ring of the capsule (71) is provided with an anti-slip protrusion (9), and the capsule (71) is annular.

4. A drainage structure for an outdoor unit of a household air conditioner according to claim 3, characterized in that: A plurality of transmission rods (62) are slidably connected through the upper end of the annular hollow cylinder (3); the upper ends of the plurality of transmission rods (62) are commonly connected to a pressing plate (63); and the bottom ends of the transmission rods (62) are fixedly connected to the annular pressing plate (61).

5. The drainage structure of the outdoor unit of a household air conditioner according to claim 1, characterized in that: The connection point between the upper end of the extension pipe (2) and the inner wall of the drainage hose (1) is provided as an arc-shaped portion (5), so that the water in the drainage hose (1) can be smoothly drained into the extension pipe (2).

6. The drainage structure of the outdoor unit of a household air conditioner according to claim 3, characterized in that: The bladder (71) is made of elastic plastic material and is located outside the external drainage pipe when installed and connected, and is tightly attached to the outer wall of the external drainage pipe after being filled and expanded.

7. The drainage structure of the outdoor unit of a household air conditioner according to claim 1, characterized in that: The annular pressing plate (61) and the lower part of the inner part of the annular hollow cylinder (3) form a closed space. When the annular pressing plate (61) is pressed downward, the diaphragm (73) is smoothly squeezed and broken by air pressure, so that the foam expansion agent (8) is pressed into the capsule (71).

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